Item3\ 1.11\ points\ Item\ Skipped\ eBookHintPrintReferencesCheck my workCheck My Work button is now enabledItem 3\ Consider the following cumulative frequency distribution:\ \ \ \ Interval Cumulative Frequency\ 15 < x <= 25 60\ 25 < x <= 35 100\ 35 < x <= 45 130\ 45 < x <= 55 160\ \ \ a-1. Construct the frequency distribution and the cumulative relative frequency distribution. (Round "Cumulative Relative Frequency" to 3 decimal places.)\ \ \ \ \ \ \ a-2. How many observations are more than 35 but no more than 45?\ \ \ \ \ b. What percent of the observations are 35 or less? (Round your answer to 1 decimal place.)